Fix execute shell task exception no dolphinscheduler_env.sh file execute permission (#12909)

dolphinscheduler-worker/src/main/bin/start.sh

@@ -21,7 +21,6 @@ DOLPHINSCHEDULER_HOME=${DOLPHINSCHEDULER_HOME:-$(cd $BIN_DIR/..; pwd)}
 
 source "$DOLPHINSCHEDULER_HOME/conf/dolphinscheduler_env.sh"
 
-chmod -R 700 ${DOLPHINSCHEDULER_HOME}/conf
 export DOLPHINSCHEDULER_WORK_HOME=${DOLPHINSCHEDULER_HOME}
 
 JAVA_OPTS=${JAVA_OPTS:-"-server -Duser.timezone=${SPRING_JACKSON_TIME_ZONE} -Xms4g -Xmx4g -Xmn2g -XX:+PrintGCDetails -Xloggc:gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=dump.hprof"}